Brazil: M25 Maceio - Doubles - Main |
| 1/8-finals | Loureiro J. V. C./Gimenez I. | Bermejo F./Ratti L. | 1:2 (4:6, 6:2, 7:10) | details | 20.03.2024 |
Brazil: M25 Feira de Santana - Doubles - Main |
| 1/8-finals | Loureiro J. V. C./Ratti L. | Adams H./Folliot Q. | 0:2 (2:6, 4:6) | details | 12.03.2024 |
Chile: M15 Concepcion - Doubles - Main |
| Final | Paz J. P./Villanueva G. | Loureiro J. V. C./Midon L. | 2:0 (6:1, 6:3) | details | 09.12.2023 |
| Semi-finals | Loureiro J. V. C./Midon L. | Fernandez Flores D./Soto M. | 2:1 (6:3, 4:6, 10:8) | details | 08.12.2023 |
| Quarter-finals | Estevez J./La Serna J. M. | Loureiro J. V. C./Midon L. | 0:2 (4:6, 3:6) | details | 07.12.2023 |
| 1/8-finals | Loureiro J. V. C./Midon L. | Asaba A./Britto L. | 2:1 (6:3, 1:6, 10:3) | details | 05.12.2023 |
Bolivia: M15 Santa Cruz - Doubles - Main |
| Quarter-finals | Del Pino M./La Serna J. M. | Loureiro J. V. C./Gimenez I. | 2:1 (7:66, 2:6, 10:4) | details | 23.11.2023 |
| 1/8-finals | Aboian L./Vilicich B. | Loureiro J. V. C./Gimenez I. | 1:2 (6:2, 3:6, 2:10) | details | 21.11.2023 |
Bolivia: M15 Cochabamba - Doubles - Main |
| Semi-finals | Aboian L./Vilicich B. | Loureiro J. V. C./Gimenez I. | 2:1 (7:64, 2:6, 12:10) | details | 17.11.2023 |
| Quarter-finals | Cundom J./Simonit E. | Loureiro J. V. C./Gimenez I. | 0:2 (63:7, 4:6) | details | 16.11.2023 |
| 1/8-finals | Hess S./Romano G. | Loureiro J. V. C./Gimenez I. | 0:2 (63:7, 3:6) | details | 14.11.2023 |
Argentina: M15 Rosario - Doubles - Main |
| Semi-finals | Del Pino M./La Serna J. M. | Loureiro J. V. C./Midon L. | 2:1 (7:5, 1:6, 10:7) | details | 11.11.2023 |
| Quarter-finals | Gimenez I./Rubio Fierros A. F. | Loureiro J. V. C./Midon L. | WO. | details | 09.11.2023 |
| 1/8-finals | Loureiro J. V. C./Midon L. | Basel V./Farjat T. | 2:0 (7:62, 6:3) | details | 07.11.2023 |
Argentina: M15 Villa Maria - Doubles - Main |
| Quarter-finals | Ambrogi L. E./Lingua Lavallen A. L. | Augusto dos Santos R./Loureiro J. V. C. | 2:1 (64:7, 6:3, 10:5) | details | 02.11.2023 |
| 1/8-finals | Augusto dos Santos R./Loureiro J. V. C. | Correa Beguerie L./Mariani R. | 2:0 (6:1, 6:3) | details | 31.10.2023 |
Uruguay: M15 Punta del Este - Doubles - Main |
| 1/8-finals | Aguilar Cardozo F./Aguilar Cardozo J. | Loureiro J. V. C./Oliveira C. | 2:0 (6:1, 6:4) | details | 20.09.2023 |
| 1/8-finals | Cigarran T./Roncadelli F. | Loureiro J. V. C./Oliveira C. | CAN. | details | 19.09.2023 |
Argentina: M15 Olavarria - Doubles - Main |
| Quarter-finals | Loureiro J. V. C./Klier Junior G. | Carou I./Kestelboim M. | 0:2 (1:6, 1:6) | details | 08.09.2023 |
| 1/8-finals | Loureiro J. V. C./Klier Junior G. | Collardin J. C./Pagnacco F. | 2:0 (6:2, 6:3) | details | 05.09.2023 |
Argentina: M15 Buenos Aires - Doubles - Main |
| Final | Kestelboim M./Villanueva G. | Loureiro J. V. C./Klier Junior G. | 2:0 (6:1, 6:2) | details | 02.09.2023 |
| Semi-finals | Loureiro J. V. C./Klier Junior G. | Guercio L./Zeitune G. | 2:0 (6:1, 6:3) | details | 01.09.2023 |
| Quarter-finals | Loureiro J. V. C./Klier Junior G. | Descotte M. F./Lingua Lavallen A. L. | 2:0 (7:68, 7:5) | details | 31.08.2023 |
| 1/8-finals | Loureiro J. V. C./Klier Junior G. | Bramajo S./Mastri A. | 2:0 (6:2, 6:3) | details | 29.08.2023 |
Brazil: M15 Sao Paulo - Doubles - Main |
| Final | Becerra Otarola I. A./Nunez D. A. | Loureiro J. V. C./Ribeiro E. | 0:2 (65:7, 2:6) | details | 26.08.2023 |
| Semi-finals | Britto L./Saraiva Dos Santos P. A. | Loureiro J. V. C./Ribeiro E. | 0:2 (2:6, 65:7) | details | 26.08.2023 |
| Quarter-finals | Ribeiro de Almeida G./Rodrigues P. | Loureiro J. V. C./Ribeiro E. | 1:2 (6:3, 4:6, 6:10) | details | 25.08.2023 |
| 1/8-finals | Corthey L. A./Gimenez I. | Loureiro J. V. C./Ribeiro E. | 0:2 (0:6, 2:6) | details | 22.08.2023 |
Colombia: Medellin - Doubles - Main |
| Quarter-finals | Alves M./Loureiro J. V. C. | Puttergill C./Stevenson K. | WO. | details | 29.06.2023 |
| 1/8-finals | Alves M./Loureiro J. V. C. | Boscardin Dias P./Ribeiro E. | 2:0 (7:64, 6:2) | details | 28.06.2023 |
Hungary: M15 Nyiregyhaza - Doubles - Main |
| 1/8-finals | Loureiro J. V. C./Guillen Meza A. | Grant W./Zink T. | 0:2 (64:7, 3:6) | details | 08.06.2023 |